$1 2021 Fancy Serial  UNCIRULATED  D30330309A

This is a very cool number! It has a Universal Coolness Index of 98.1%

 


• All of the digits in 30330309 are multiples of 3. Only 0.070% of 8-digit numbers have this property.

• 30330309 contains a 4-of-a-kind and 1 triple. Only 0.21% of 8-digit numbers have this combination.

• 30330309 has 3 unique digits. In 0.71% of 8-digit numbers, there are 3 or fewer unique digits.

• 30330309's digits sum to 21. In 3.7% of 8-digit numbers, the digits sum to at most 21.